Hydrology-Rainfall Mass Curve
Rainfall mass curve is produced by plotting accumulated rainfall depth against time. It is produced by either weighing-bucket or natural-syphon typ…
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Mean Precipitation over Catchment
Normally, a catchment will contain multiple rainfall gauge stations. To determine the characteristics rainfall depth for this catchment, we need to t…
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Hydrology-Natural Syphon Gauge
Natural-syphon rainfall gauge utilizes float to record the rainfall data. In float chamber, pen arm raises as the level of collected rainwater incr…
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Construction Materials-Aggregate Weight Groups
Aggregates can be categorized into three groups: lightweight, normal-weight and heavyweight based on specific gravity. Gravel, granite and sand are…
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Construction Material-Aggregates
Aggregate is a rocklike material with various shape and size. It is commonly used in various aspects of construction, namely concrete, bitumen, roa…
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Hydrology-Weighing Bucket Gauge
Weighing bucket rainfall gauge utilizes weighing scale to record the rainfall data. Rainwater collected is directed to bucket located on the scale.…
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